If plotted points in a scatter diagram lie on a straight line vertical to the Y-axis, then r=.........

Related MCQs

• If all the points of a scatter diagram lie on a straight line falling from the lower left-hand corner to the upper right-hand corner, the correlation is said to be ..........................
• If all the dots of a scatter diagram lie on a straight line falling from the upper left-hand corner to the lower right hand corner, the correlation is said to be ..........................
• If the plotted points of a scatter diagram fall on a narrow band, it indicates a. ............degree of correlation.
• If dots in a scatter diagram are lie in a haphazard manner, then r= .......................
• Scatter diagram is also called ...................................
• Scatter diagram of the various values of ( X, Y) gives the idea about .......................
• In a regression line of Y on X, the variable X is known as ..................................
• The area under the standard normal curve beyond the line z = ±1.96 is ...............................
• In a correlation analysis, if r=0, then we may say that, there is ..................... between variables.
• If m is the coefficient of correlation, then the value of m2 is known as .................